#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>
typedef struct ListNode ListNode
struct ListNode* removeElements(struct ListNode* head, int val) {
    ListNode* pcur = head;
    if (pcur->val == val)
    {
        head = pcur->next;
    }
    while (pcur)
    {
        if (pcur->val == val)
        {

        }
    }
}